The orangefood.com Servlet Engine is a Java based servlet container, for Servlets 2.3. The primary focus is on creating a small and highly customizable server suitable for embedding in an application or as a stand-alone server.

PWebs is an HTTP server written from scratch in Python.
It uses threads to serve connections and it featuers the basic aspect of HTTP/1.1
(GET, POST), directory listing, support for CGI/1.1, Php (via CGI interface), log system, flexible cofiguration sy

A very simple to use and configure web server written in Perl. It aims to be as cross-platform as
possible. The goal is to make a web server as easy to use as Roxen, as modular as Apache, and as powerful as Perl!

Prolog Web Services is a HTTP handler built on top of the SWI Prolog HTTP server infrastructure.
The core of Prolog Web Services is represented by the integration between Prolog Server Pages (PSP) and XML-based Web Services.

PyFileSync is a set of tools for over-the-web file synchronization and data collection. Currently it consists of one component: PyFileServer - WSGI/Web application for sharing multiple filestructures/realms via WebDAV

Pytch is an HTTP streaming music server written in a combination of Python, Javascript, and XML. In addition to streaming music, Pytch allows a user to create playlists and share them with other users.

Reptile is a web server made in Python. It supports server side scripting with "Embedded Python", PHP, and CGI scripts.
It has an integrated HTML/XML validator that checks the pages before publication and others handy features.

Resource Availability Service (RAS) is using model-driven development (MDD) methods to develop a web service to offer availability information about resources like services and users through SOAP interface. http://opensource.erve.vtt.fi/RAS/main.html

RevolvingProxy is a cross platform HTTP Proxy application that is designed to be installed on a server that has been assigned multiple IP addresses. Each connecting client is assigned a different IP address for security testing or other purposes.

This CGI program can trap malicious robots that spider your website. The program works by blocking access from the bot's ip address. It can also provide an unlimited number of false e-mail addresses to muck up databases of email harvesting bots.

SimpleHTTPDB is a client based key-value database that allows for storing data on any http-server via FTP. This way, no server-based functionality is required. Security of the data is provided by high-level encryption.

Developing streaming media CMS moduals that can be easily added to any CMS application for the open source community. The moduals being designed are Pay Per View, Windows Media DRM and Content Subscription Services.

The goal is to provide the smallest HTTP server which just works. A feature will be included in the server if and only if that feature cannot be implemented elsewhere without loss of speed or security.

Sparrowcontainer is a pure Java Application Server that for real-time
application. It provides a Pooling framework for your resources to minimize garage collection. This version has a simple HTTP stack for web services or XML/HTTP